Use consistency exception type

Author: zanieb

cpython-windows/build.py

@@ -1090,7 +1090,7 @@ def find_additional_dependencies(project: pathlib.Path):
     elif arch == "arm64":
         abi_platform = "win_arm64"
     else:
-        raise ValueError("unhandled arch: %s" % arch)
+        raise Exception("unhandled architecture: %s" % arch)
 
     if freethreaded:
         abi_tag = ".cp%st-%s" % (python_majmin, abi_platform)